Sergei Popov
Sergei Popov may refer to:
- Sergey Popov (politician, born 1948), Russian politician and member of the Duma
- Sergey Aleksandrovich Popov Russian politician
- Sergei Popov (footballer), Russian footballer
- Sergei Popov (marathon runner), Soviet marathon runner
- Sergey Popov (politician, born 1960), Russian politician and economist
- Sergei Popov (businessman), Russian businessman and billionaire
- Serhiy Popov, Ukrainian footballer
- Sergey Popov (rugby union), Russian rugby union player and coach
- Sergei Popov (bioweaponeer), Soviet Union bio-weapons scientist; defector to USA
- Sergey Popov (hurdler), Soviet Olympic hurdler
- Sergey Popov (guitarist), Russian musician, guitarist and songwriter
- Sergiy Popov (beach volleyball), Ukrainian beach volleyball player
- Sergei Popov (general), Russian general, commander of the 1st Special Purpose Air and Missile Defense Army 2011–2013